I would like to make some naughty yet intelligent pun about flashing windows but nothing comes to mind. Here is the thing: it rained. Inside the house. Well, it dripped to be exact. And made a small pool on the inside of the window. The brand new window that well, was missing a little something: a drip edge cap above the window.
There was a drip cap above the window. However, it had to be over the trim (or brick molding) that is over the window. Semantics one might say…
We immediately called the Newbie House Owners’ Support Line (in other words, we called my father in law) and after a close inspection, he found out we lacked the all important drip edge cap above the new windows. Which we had to install as soon as possible because, the weather was about to change for the much wetter.
We had two days.
Two days may seem like plenty but, we also had to let the insulation dry as much as possible, before we water-tighten the area. A day and a half was all the time we had to let the water evaporate naturally, by opening the gap above the window on the exterior side. After that, we had half a day to fix the problem.
The other trick we applied, was sucking with a wet-dry vac from the inside, where the water had dripped. It seems counter productive however, it did speed drying significantly. (It is practically impossible to do that from the outside because the windows are significantly above ground height.)
[If anyone wants a super detailed how to, I found this comprehensive guide on installing and flashing windows, that is pretty thorough.]
Running to a home improvement store (where I also bought 3 spray paint colors, only to regret all 3 of them the next day), we grabbed an aluminum drip edge (or drip-cap, or head-jamb flashing, this thing comes in all sorts of names) to the tune of $3 for 10 feet.
Ok, I thought, this isn’t as – financially – painful as I feared. Good news! Hubby didn’t seem to share my enthusiasm though, probably because he was envisioning himself, up the ladder, doing
all most of the work.
And up the ladder he went. First, he had to remove parts of the siding above the windows and all the nails. Hubs was particularly annoyed with the nails.
Which left us with this (yep, there is no water barrier there – a common practice in older days):
I cut the cap with a sheet metal cutter (it’s like powerful scissors), allowing a little extra length to overhang the edges of the window trim (and unlike this guy/guys, we measured before cutting). With my favorite nose pliers I bent the edges in an angle, for the water to slope away from the siding and far enough from where the window meats the siding.
It was not a precision job but it beats the flashing our old windows have. Which is none.
A hefty dose of mold resistant silicone (we are passionate about fighting mold) went exactly above the window trim (for the drip cap to sit on)
and the edge cap was pushed firmly against it. (The black paper you see is window flashing.)
After we secured the cap in place (with nails), all that was left was replacing the siding and caulking every opening around the window with silicone. I helped with caulking (and managed to color coordinate my outfit with hubby’s):
By now, the clock was ticking fast and the sun seemed set on…setting. We had to paint before nightfall not only so we could see what we were doing but also because the threat of rain was looming. The kind of siding we have – which is composite – is not really waterproof. Paint does all the job.
Well, there was no time for paint but there was time for a heavy coat of primer that provides a mold and mildew resistant film (that is a long way to say I used zinsser). I finished that just in time to take this exemplary nightshot (it exemplifies the need to use a tripod when shooting in half dark).
Next day brought torrential rains (and some haze for good measure). No water seeped in so far and I do not think we will see any for a long, long time. This flashing is finally on the right spot.
Which is not above the window.
It’s above the trim that is above the window.
And next time we install one, we’ll remember that. 🙂
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